Black Sabbath frontman Ozzy Osbourne died following his battle with a genetic form of Parkinson's disease, while a brain expert says the singer's lifestyle could have contributed.

Ozzy Osbourne, the “prince of darkness” and godfather of heavy metal, has died aged 76, just weeks after he reunited with Black Sabbath bandmates for a farewell concert in his hometown of Birmingham in England.

They were just totally in love and devoted to each other, and that wasn’t for the cameras. That was just who they were.”

Sharon Osbourne's friends are reportedly worried about the star after the tragic loss of her husband Ozzy Osbourne, who died earlier this week at the age of 76

Ozzy Osbourne’s farewell was nearly canceled until Sharon reportedly struck a bold backstage deal that let him rock one last time.

Black Sabbath singer Ozzy Osbourne's sisters recall their final interactions before his death at 76, noting he was frail but still joking before a farewell performance in England.

The Black Sabbath frontman, who has died at the age of 76, became an unlikely television sensation in the 2000s, with an MTV reality show chronicling his family revealing him to be a funny, sweary, technology-challenged ‘teddy bear’.

In the wake of Ozzy Osbourne’s passing, fans are revisiting some of his most tender moments, including a surprise appearance on "The Talk."